DEVICE FOR TEACHING QUICK READING,申请号SU19904863771-传众专利搜索

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发明名称	DEVICE FOR TEACHING QUICK READING
摘要
申请公布号	SU1730655(A1)	申请公布日期	1992.04.30
申请号	SU19904863771	申请日期	1990.09.17
申请人	KUZNETSOV OLEG A,SU;KHROMOV LEV N,SU	发明人	KUZNETSOV OLEG A,SU;KHROMOV LEV N,SU
分类号	G09B17/04	主分类号	G09B17/04
代理机构		代理人
主权项
地址

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